PM Filter Coupler

The Polarization Maintaining Coupler is a micro optic filter type device that provides optical signal splitting while preserving polarization with high ER. The Polarization Maintaining Coupler is available in a wide range of coupling ratio’s from 1% to 50%, and is also available in 1×2 and 2×2 types. PM couplers are widely used in fiber optic communication systems, Raman Amplifiers and other fiber instrument applications.

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1.Low Insertion Loss

2.High Return Loss

3.High Extinction Ratio



Structure Diagram


2.Fibre Sensor

3.Fiber Instrument 

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